panels docs
Update panels.rst
Merge branch 'master' of https://github.com/nortikin/sverchok.git

Conflicts:
	docs/panels.rst
Merge branch 'master' of https://github.com/nortikin/sverchok.git
Merge branch 'master' of https://github.com/nortikin/sverchok.git
Merge branch 'master' of https://github.com/nortikin/sverchok.git
interface, little more dencity